Showing 650 open source projects for "html css editor"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 1
    Lexbor

    Lexbor

    Lexbor is development of an open source HTML Renderer library

    Lexbor is the development of a web browser engine available as a software library; it ships with a free license and has no extra dependencies. For us, speed is an absolute must-have. In our development process, we focus on fastest parsing techniques for HTML, CSS, and fonts, fastest data processing methods, and fastest ways to serve content to end users. Whether you are building a backend that handles millions of HTML documents or a UI-heavy user app, your software’s response rate always matters to users and developers alike. Lexbor’s code is optimized for ease of access in end-user applications and across programming languages. ...
    Downloads: 0 This Week
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  • 2
    CodeMirror 5

    CodeMirror 5

    In-browser code editor (version 5, legacy)

    CodeMirror is a versatile text editor implemented in JavaScript for the browser. It is specialized for editing code, and comes with a number of language modes and addons that implement more advanced editing functionality. A rich programming API and a CSS theming system are available for customizing CodeMirror to fit your application, and extending it with new functionality.
    Downloads: 4 This Week
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  • 3
    MudBlazor

    MudBlazor

    Do more with Blazor, utilizing CSS and keeping Javascript to a minimum

    ...With MudBlazor you can create exceptional apps without the burden of mastering HTML, CSS and JS and focus your skillset on C#.
    Downloads: 0 This Week
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  • 4
    Markdown

    Markdown

    WeChat Markdown Editor

    WeChat Markdown Editor | A highly concise WeChat Markdown editor, that supports Markdown syntax, color palette selection, multi-image upload, one-click document download, custom CSS style, one-click reset, and other features. Markdown documents are automatically rendered into WeChat graphics and text in real-time, so you no longer have to worry about the typesetting of WeChat articles!
    Downloads: 0 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 5
    D3

    D3

    Bring data to life with SVG, Canvas and HTML

    ...For example, you can use D3 to generate an HTML table from an array of numbers. Or, use the same data to create an interactive SVG bar chart with smooth transitions and interaction. D3 is not a monolithic framework that seeks to provide every conceivable feature. Instead, D3 solves the crux of the problem: efficient manipulation of documents based on data. This avoids proprietary representation and affords extraordinary flexibility, exposing the full capabilities of web standards such as HTML, SVG, and CSS.
    Downloads: 0 This Week
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  • 6
    CKEditor 5

    CKEditor 5

    Powerful rich text editor framework with a modular architecture

    CKEditor 5 is a powerful rich text editor framework with a modular architecture, modern integrations, and features like collaborative editing. CKEditor 5 provides every type of WYSIWYG editing solution imaginable. From editors similar to Google Docs and Medium, to Slack or Twitter like applications, all is possible within a single editing framework. Builds are ready-to-use solutions to common editing needs. Every build can be customized to include a completely custom set of features....
    Downloads: 26 This Week
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  • 7
    Rio

    Rio

    WebApps in pure Python. No JavaScript, HTML and CSS needed

    Rio is a Python framework designed to build web applications without the need for HTML, CSS, or JavaScript. Inspired by frameworks like Flutter and React, Rio offers a declarative interface and reusable components, enabling developers to create dynamic web apps entirely in Python. It streamlines the development process by managing both frontend and backend seamlessly.
    Downloads: 0 This Week
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  • 8
    ASP.NET Core

    ASP.NET Core

    A framework for building web apps and services with .NET and C#

    ASP.NET Core is an open-source and cross-platform framework for building modern cloud based internet connected applications, such as web apps, IoT apps and mobile backends.
    Downloads: 19 This Week
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  • 9
    Milkdown

    Milkdown

    Plugin driven WYSIWYG markdown editor framework

    A plugin-driven WYSIWYG markdown Editor, inspired by Typora, built on top of prose-mirror and remark. The website is designed by Meo and Mirone. Powered by Theme Nord and Material Design. A plugin driven framework to build WYSIWYG Markdown editor.
    Downloads: 0 This Week
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  • Lightspeed golf course management software Icon
    Lightspeed golf course management software

    Lightspeed Golf is all-in-one golf course management software to help courses simplify operations, drive revenue and deliver amazing golf experiences.

    From tee sheet management, point of sale and payment processing to marketing, automation, reporting and more—Lightspeed is built for the pro shop, restaurant, back office, beverage cart and beyond.
    Learn More
  • 10
    Bulma

    Bulma

    Modern CSS framework based on Flexbox

    Bulma is a free and open source, modern CSS framework based on Flexbox. It is a collection of CSS classes, with the end result being a single .css file. Because of this, you can write the HTML code you want and it would have no impact on the styling of your page. It has no JavaScript included, and can be considered “environment agnostic”, as it offers just a style layer over the logic.
    Downloads: 0 This Week
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  • 11
    Metro 4

    Metro 4

    Impressive component library for expressive web development

    ...Metro 4 is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with responsive grid system, extensive prebuilt components, and powerful plugins. Metro 4 developed to build websites in Windows Metro Style and include general styles, grid, layouts, typography, 100+ components and routines, 500+ built-in icons.
    Downloads: 0 This Week
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  • 12
    Front-End Performance Checklist

    Front-End Performance Checklist

    The only Front-End Performance Checklist that runs faster

    ...It frames performance as a front-end responsibility and turns broad principles into concrete, verifiable checks you can apply before shipping. The checklist is organized by areas such as HTML, CSS, JavaScript, fonts, images, and network delivery, so teams can tackle bottlenecks systematically. Each section emphasizes practical outcomes like cutting render-blocking resources, optimizing critical path CSS, and leveraging modern compression and caching. The project is designed to be used in code reviews and pre-launch audits, making it easy to institutionalize performance culture across teams. ...
    Downloads: 0 This Week
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  • 13
    Lightning Web Components

    Lightning Web Components

    A Blazing Fast, Enterprise-Grade Web Components Foundation

    Lean, lightweight runtime optimized for performance, with minimal boilerplate code. Lightning Web Components uses standard HTML, modern JavaScript (ES6+), and the best of native Web Components. Leave abstractions behind and build custom elements with HTML, JavaScript, and CSS. Lightning web components are custom elements built using HTML and modern JavaScript. Ready to learn more? Check out the Developer Guide and write code in the Playground. You’ll be up and running in no time. ...
    Downloads: 5 This Week
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  • 14
    Python Web

    Python Web

    Course to learn frontend web development

    This repository is a beginner-friendly template for creating Python web applications using Flask. Designed by @mouredev for learning and practice, it provides a simple, minimalistic structure for serving HTML pages and static content. Ideal for educational purposes and small-scale web projects, it also includes preconfigured files to simplify deployment and local development.
    Downloads: 3 This Week
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  • 15
    JBake

    JBake

    Java based open source static site/blog generator for developers

    ...The binary distribution runs on Windows, Unix/Linux, and Mac OS X. Plugins are available for Gradle, Maven, mill, SBuild and sbt. Supports AsciiDoc, Markdown, and good old HTML formatted content. Freemarker, Groovy, Thymeleaf, Jade and Pebble-based templates & scripting support. Easily integrate CSS frameworks such as Bootstrap and Foundation. Store your site content in Dropbox, CVS, SVN, Git or whatever you want.
    Downloads: 0 This Week
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  • 16
    Apache NetBeans

    Apache NetBeans

    Apache NetBeans

    Apache NetBeans is much more than a text editor. It highlights source code syntactically and semantically, lets you easily refactor code, with a range of handy and powerful tools. Apache NetBeans provides editors, wizards, and templates to help you create applications in Java, PHP and many other languages. Apache NetBeans can be installed on all operating systems that support Java, i.e, Windows, Linux, Mac OSX and BSD. Write Once, Run Anywhere, applies to NetBeans too.
    Downloads: 146 This Week
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  • 17
    ToolJet

    ToolJet

    Extensible low-code framework for building business applications

    ...Open-source low-code application development platform for building and deploying business applications. Build complicated frontends without any experience in React, CSS or event HTML. Drag and drop 35+ in-built UI components to build even complicated frontends. Adding new components, resizing them, adjusting position, changing colors etc can be done using the visual app editor. Customize the component with in-built properties and styles without using a single line of code. Viewer for verifying current properties of components, queries and global states of applications. ...
    Downloads: 8 This Week
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  • 18
    Hawtio

    Hawtio

    Hawtio web console helps you manage your JVM stuff and stay cool

    ...Hawtio has plugins such as: Apache Camel and JMX (Logs, Spring Boot, Quartz, and more will be provided soon). You can dynamically extend Hawtio with your own plugins or automatically discover plugins inside the JVM. The only server-side dependency (other than the static HTML/CSS/JS/images) is the excellent Jolokia library which has a small footprint (around 300KB) and is available as a JVM agent or comes embedded as a servlet inside the hawtio-default.war.
    Downloads: 0 This Week
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  • 19
    H2O Wave

    H2O Wave

    Realtime Web Apps and Dashboards for Python and R

    No HTML, CSS, Javascript skills are required. Build rich, interactive web apps using pure Python. Broadcast live information, visualizations, and graphics using Wave's low-latency real-time server. Instant control over every connected web browser using a simple and intuitive programming model. Preview your app live as you code. Dramatically reduce the time and effort to build web apps.
    Downloads: 1 This Week
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  • 20
    Neutralinojs

    Neutralinojs

    Portable and lightweight cross-platform desktop application

    Neutralinojs is a lightweight and portable desktop application development framework. It lets you develop lightweight cross-platform desktop applications using JavaScript, HTML and CSS. You can extend Neutralinojs with any programming language (via extensions IPC) and use Neutralinojs as a part of any source file (via child processes IPC). In Electron and NWjs, you have to install Node.js and hundreds of dependency libraries. Embedded Chromium and Node.js make simple apps bloaty, in most scenarios, framework weights more than your app source. ...
    Downloads: 2 This Week
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  • 21
    PSPad

    PSPad

    Text and code editor

    PSPad editor is a programmers editor with support for multiple syntax highlighting profiles. It comes with a hex editor, CP conversion, text differences, templates, macros, spellcheck option, auto-completion, Code Explorer and much more. The program is pre-configured for the most popular programming languages (VB, C++, SQL, PHP, ASP, Python etc.) and you can further customize the syntax settings.
    Downloads: 200 This Week
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  • 22
    tabler

    tabler

    Tabler is free and open-source HTML Dashboard UI Kit

    ...Our mission is to deliver a user-friendly, clear and easy administration panel that can be used by both simple websites and sophisticated systems. The only requirement is basic HTML and CSS (and some Liquid) knowledge, as a reward, you'll be able to manage and visualise different types of data in the easiest possible way! With the support for mobile, tablet and desktop displays, it doesn’t matter what device you’re using. Tabler is responsive in all major browsers.
    Downloads: 16 This Week
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  • 23
    NG Bootstrap

    NG Bootstrap

    Angular powered Bootstrap

    Angular widgets built from the ground up using only Bootstrap 5 CSS with APIs designed for the Angular ecosystem. The only dependencies are Angular, Bootstrap 5 CSS and Popper. As simple as Angular & Bootstrap CSS. Nothing else. If you know Angular, you also know ng-bootstrap. All the Bootstrap widgets you know like a carousel, modal, popover, tooltip, tablet plus some additional goodies like datepicker, rating and typeahead.
    Downloads: 0 This Week
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  • 24
    Scrapy

    Scrapy

    A fast, high-level web crawling and web scraping framework

    Scrapy is a fast, open source, high-level framework for crawling websites and extracting structured data from these websites. Portable and written in Python, it can run on Windows, Linux, macOS and BSD. Scrapy is powerful, fast and simple, and also easily extensible. Simply write the rules to extract the data, and add new functionality if you wish without having to touch the core. Scrapy does the rest, and can be used in a number of applications. It can be used for data mining, monitoring...
    Downloads: 38 This Week
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  • 25
    a11y.css

    a11y.css

    This CSS file intends to warn developers about possible risks

    This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external stylesheet. When activating the stylesheet, a tip should appear beside each incriminated elements, displaying what’s going on. This file is not a replacement to a complete tool such as aXe, Tanaguru or Tenon.
    Downloads: 0 This Week
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